Home / 2,941.86-4,059.38-1,682.78

Finding the Fourth Proportional to 2,941.86, 4,059.38 and 1,682.78

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Solution

The fourth proportional to 2,941.86, 4,059.38 and 1,682.78 is: 2,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.86 : 4,059.38 = 1,682.78 : x
  2. Step 2: Convert to fraction form
    2,941.86/4,059.38 = 1,682.78/x
  3. Step 3: Cross multiply
    2,941.86x = 4,059.38 × 1,682.78
  4. Step 4: Simplify right side
    2,941.86x = 6,831,043.48
  5. Step 5: Solve for x
    x = 6,831,043.48/2,941.86
  6. Step 6: Final answer
    x = 2,322.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.